Fall – Mud Mountain Dam Marathon & Half Marathon 2026 — Enumclaw, WA

Date
September 19, 2026
Location
Enumclaw, WA
Venue
30525 S.E. Mud Mountain Rd.
Start Time
7:00 AM
Sunrise
6:49 AM
Entry Fee
$70.00 – $155.00
Events
Fall - Dam Marathon, Fall - Dam Half Marathon
Includes
Tech T-Shirt

Fall – Mud Mountain Dam Marathon & Half Marathon takes place at 30525 S.E. Mud Mountain Rd. in Enumclaw, Washington on September 19, 2026. The event offers both a full marathon (26.2 miles) and a half marathon distance. The race starts at 7:00 AM. Entry fees range from $70 to $155 depending on registration timing and distance selection. Enumclaw is located in the foothills east of Seattle, making it accessible for Pacific Northwest runners and those traveling from the greater region. If you're planning to race here, book accommodations in or near Enumclaw well in advance, as September dates can fill quickly in the area.

From the Race Organizer
September 19, 2026 – The Full Marathon Returns! We’re excited to announce that the Full Marathon is coming back in 2026, and will also be part of our. Start planning now for your next Boston Qualifier on this beautiful, fully paved downhill course, no tunnel, no dirt, no BQ time penalty! There’s no excuse not to do the dam thing! Marathon The marathon course begins at Mud Mountain Dam (elevation 1,400′). Runners will follow a fully paved route through picturesque farmlands and forested areas, tracing the path of the Carbon River. The race finishes in front of the historic McMillin Bridge (elevation 200′), with a total net elevation loss of approximately 1,200′ . Half Marathon The Half Marathon begins in the scenic town of South Prairie (elevation 467′) and follows a gradual downhill route along the paved Foothills Rail Trail. Runners will enjoy a picturesque journey through farmland and forest, winding alongside the Carbon River and finishing in front of the historic McMillin Bridge (elevation 128′). The course features a net elevation loss of 339 feet.

Course & Travel Notes

The Fall Mud Mountain Dam Marathon & Half Marathon takes place on September 19, 2026, in Enumclaw, Washington, with races starting at 7:00 AM—just nine minutes after sunrise at 6:51 AM that morning. The venue sits at 764 feet elevation, offering relatively modest climbing for the course. Seattle–Tacoma International Airport (SEA) is the nearest major airport, located 22.5 miles from the race site. Plan for typical September weather in the area with highs around 72°F and lows near 47°F, though there's roughly a 28% chance of measurable rain, so bring layers and rain gear just in case.

⛰️ 764 ft elevation☀️ Typically 72°F / 47°F · 28% chance of rain✈️ Seattle–Tacoma International Airport (SEA) — 22.5 mi

Hotels Near This Race

Find accommodation close to the start line in Enumclaw, WA. Sorted by distance from the race venue. Book early — race weekend hotels fill fast.

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Fall – Mud Mountain Dam Marathon & Half Marathon 2026 — Enumclaw, WA

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Race Travel Insurance

Don't forget travel insurance for September 19.

You've trained for months and booked a trip to Enumclaw, WA. A pre-race injury, a delayed flight, or a family emergency can derail the whole thing. Travel insurance can help cover your race entry fee, hotel, and flights if you can't make it, and may cover medical costs if something goes wrong on the course. Plans typically only run 5-7% of your total trip cost — and running events are covered under standard plans with no additional coverage needed.

  • Trip cancellation up to 100% of prepaid costs
  • Running events covered under standard plans — no add-ons needed
  • Trip interruption up to 150% of non-refundable costs
  • Emergency medical up to $250,000
  • Cancel For Any Reason add-on available
  • 24/7 real-time support

Affiliate links — we may earn a commission at no cost to you. Coverage terms vary by state and plan. Review policy details before purchase.

Frequently Asked Questions

When is Fall – Mud Mountain Dam Marathon & Half Marathon 2026 — Enumclaw, WA?

Fall – Mud Mountain Dam Marathon & Half Marathon 2026 — Enumclaw, WA takes place on September 19, 2026. The race is held in Enumclaw, Washington.

Where is Fall – Mud Mountain Dam Marathon & Half Marathon 2026 — Enumclaw, WA held?

Fall – Mud Mountain Dam Marathon & Half Marathon 2026 — Enumclaw, WA is held at 30525 S.E. Mud Mountain Rd. in Enumclaw, Washington.

Where can I find hotels near Fall – Mud Mountain Dam Marathon & Half Marathon 2026 — Enumclaw, WA?

RaceHotelFinder shows hotels sorted by distance from the race venue in Enumclaw. Use the map or list view on this page to compare options and book race weekend accommodation.